[MRCA] 10-Meter FM

[Gene Smar]

Dennis:

     You are correct (I stayed up to track down the FCC Rules, too.)  WBFM 
IS permitted above 29 MHz, but nor BELOW.  We could legally use any of the 
29.XX freqs Al suggested.  So PRC-9s are OK.

Never mind.


73 de
Gene Smar AD3F
"Say 'good night,' Gracie."


----- Original Message ----- 
From: "mac" <w7qho at aol.com>
To: "Gene Smar" <ersmar at verizon.net>; "Military Radio Collectors 
Association" <mrca at mailman.qth.net>; "Al Klase" <al at ar88.net>
Sent: Friday, December 17, 2010 12:34 AM
Subject: Re: [MRCA] 10-Meter FM


> Just pulled up Part 97.  97.307 (f)(1) lays out the prohibition on 
> angle-modulated signals with a modulation index greater than 1.  In  the 
> accompanying frequency chart, however, para (f)(1) is NOT listed  as 
> applying to phone 29.0 - 29.7 MHz.  It IS listed as applying to all  phone 
> operation below 29.0 MHz however.
>
> Dennis D. W7QHO
> Glendale, CA
>
> **************
>
> On Dec 16, 2010, at 9:09 PM, mac wrote:
>
>> Last time I checked the FCC rules the higher that 1 mod index OK 29
>> MHz and above.
>>
>> Dennis D. W7QHO
>> Glendale, CA
>>
>> ************
>>
>> On Dec 16, 2010, at 8:56 PM, Gene Smar wrote:
>>
>>> Al et al:
>>>
>>>    Before we jump into 10 FM using milrads, remember:  these old
>>> green
>>> radios are wideband FM.  That modulation is not permitted on Ham
>>> freqs below
>>> 30 MHz.  We can get away with it on 6M and above.  I'll check the
>>> FCC Rules
>>> over the weekend (it's nearly 12M here now.)  But IIRC, the Rules
>>> section on
>>> permitted modulation describes the math used to determine index of
>>> modulation or some such thing which must be less than 1 below 30 MHz.
>>
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